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chubhunter [2.5K]
2 years ago
13

In the figure. What is the value of x?

Mathematics
1 answer:
Lady bird [3.3K]2 years ago
6 0

180-40-60=80 degrees

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Determine the point estimate of the population proportion and the margin of error for the following confidence interval.Lower bo
Kamila [148]

Answer: The point estimate of the population proportion is . 485.​

The margin of error is 0.273.​

Step-by-step explanation:

Confidence interval for population proportion(p):

sample proportion ± Margin of error

Given:  Lower bound of confidence interval  = 0.212

Upper bound = 0.758

⇒sample proportion - Margin of error=0.212  (i)

sample proportion + Margin of error= 0.758  (ii)

Adding (i) and (ii) , we get

2(sample proportion) =0.970

⇒ sample proportion = 0.970÷2= 0.485

Since sample proportion is the point estimate of the population proportion.

So, the point estimate of the population proportion=  0.485

Now put sample proportion =0.485 in (ii), we get

0.485+ Margin of error= 0.758

⇒  Margin of error= 0.758 - 0.485 =0.273

i.e. The margin of error is 0.273.​

5 0
3 years ago
In ΔPQR, what is the m∠Q? Enter your answer in the box.
Orlov [11]

Answer:

105°

Step-by-step explanation:

11x-5 + 6x+5 + x = 180

18x = 180

x = 10

m∠Q = 11(10)-5 = 110-5 = 105°

8 0
3 years ago
Please help! #6 Confused
Karo-lina-s [1.5K]

Answer:

need the diagram

Step-by-step explanation:

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(CO 3) Sixty-five percent of products come off the line ready to ship to distributors. Your quality control department selects 1
gregori [183]

Answer:

a. 0.0056

b. 0.0846

c. 0.0255

d. 0.8487

Step-by-step explanation:

The missing question for the binomial distribution problem is to find the probability of:

a. Fewer than 4

b. Fewer than 6

c. Fewer than 5

d. Fewer than 10

The step by step solution is attached as an image.

5 0
3 years ago
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